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SN65HVD72 データシート(Datasheet) 6 Page - Texas Instruments

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部品番号. SN65HVD72
部品情報  3.3V-Supply RS-485 with IEC ESD Protection
ダウンロード  25 Pages
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メーカー  TI1 [Texas Instruments]
ホームページ  http://www.ti.com
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 6 page
background image
V
OC
V
OD
0 V or 3 V
A
B
V
A
V
B
V
OC(PP)
DVOC(SS)
V
OC
C
L
D
A
RL/2
B
S0302-01
RL/2
60
1%
W ±
V
OD
0 V or 3 V
_
+
–7 V < V(test) < 12 V
DE
V
CC
A
B
D
375
1%
W ±
375
1%
W ±
S0301-01
SN65HVD72
SN65HVD75
SN65HVD78
SLLSE11B – MARCH 2012 – REVISED JUNE 2012
www.ti.com
SWITCHING CHARACTERISTICS
50 Mbps devices (HVD76, 77, 78) bit time > 20 ns (over recommended operating conditions)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
DRIVER
Driver differential output rise/fall
1
3
6
ns
tr, tf
time
RL = 54 Ω, CL = 50 pF
See Figure 3
tPHL, tPLH
Driver propagation delay
9
15
ns
tSK(P)
Driver pulse skew, |tPHL – tPLH|
0
1
ns
tPHZ, tPLZ
Driver disable time
10
30
ns
See Figure 4 and
Receiver enabled
10
30
ns
Figure 5
tPZH, tPZL
Driver enable time
Receiver disabled
8
µs
RECEIVER
tr, tf
Receiver output rise/fall time
1
3
6
ns
tPHL, tPLH
Receiver propagation delay time
CL = 15 pF
See Figure 6
35
ns
tSK(P)
Receiver pulse skew, |tPHL – tPLH|
2.5
ns
tPLZ, tPHZ
Receiver disable time
8
30
ns
Driver enabled
See Figure 7
10
30
ns
tpZL(1), tPZH(1)
Receiver enable time
tPZL(2), tPZH(2)
Driver disabled
See Figure 8
3
8
µs
PARAMETER MEASUREMENT INFORMATION
Input generator rate is 100 kbps, 50% duty cycle, rise and fall times less than 6 nsec, output impedance 50
Ω.
Figure 1. Measurement of Driver Differential Output Voltage with Common-Mode Load
Figure 2. Measurement of Driver Differential and Common-Mode output with RS-485 Load
6
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Copyright © 2012, Texas Instruments Incorporated
Product Folder Link(s): SN65HVD72 SN65HVD75 SN65HVD78




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